Interface for FRU VPD collection

This commit implements com.ibm.VPD.Collection
interface which holds CollectionState property
to describe the status of FRU VPD collection.

Change-Id: Ib0b6ca1bffeee089059b5ba6fd04630f26f0bb66
Signed-off-by: Priyanga Ramasamy <priyanga24@in.ibm.com>
diff --git a/gen/com/ibm/VPD/meson.build b/gen/com/ibm/VPD/meson.build
index d068efd..5ff46d9 100644
--- a/gen/com/ibm/VPD/meson.build
+++ b/gen/com/ibm/VPD/meson.build
@@ -13,6 +13,21 @@
     ],
 )
 
+subdir('Collection')
+generated_others += custom_target(
+    'com/ibm/VPD/Collection__markdown'.underscorify(),
+    input: [ '../../../../yaml/com/ibm/VPD/Collection.interface.yaml',  ],
+    output: [ 'Collection.md' ],
+    depend_files: sdbusplusplus_depfiles,
+    command: [
+        sdbuspp_gen_meson_prog, '--command', 'markdown',
+        '--output', meson.current_build_dir(),
+        '--tool', sdbusplusplus_prog,
+        '--directory', meson.current_source_dir() / '../../../../yaml',
+        'com/ibm/VPD/Collection',
+    ],
+)
+
 subdir('Manager')
 generated_others += custom_target(
     'com/ibm/VPD/Manager__markdown'.underscorify(),